2.31. Solve:(a)The velocity-versus-time graph is given by the derivative with respect to time of the position function: 2(618 )m/sxdxvttdt== −For 0 m/s,xv=there are two solutions to the quadratic equation: t=0 s and t=3 s. (b)At the first of these solutions, 32(at 0 s)2(0 s)9(0 s)1212 mxt
This is the end of the preview. Sign up
access the rest of the document.